The TTL is applied to the cells on insert. Changing it doesn't change the TTL on data that was inserted previously.
On Sun, Oct 1, 2017 at 6:23 AM Gábor Auth <auth.ga...@gmail.com> wrote: > Hi, > > The `alter table number_item with gc_grace_seconds = 3600;` is sets the > grace seconds of tombstones of the future modification of number_item > column family or affects all existing data? > > Bye, > Gábor Auth > >